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Finding the Fourth Proportional to 10.70, 16.01 and 9.32

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Solution

The fourth proportional to 10.70, 16.01 and 9.32 is: 13.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.70 : 16.01 = 9.32 : x
  2. Step 2: Convert to fraction form
    10.70/16.01 = 9.32/x
  3. Step 3: Cross multiply
    10.70x = 16.01 × 9.32
  4. Step 4: Simplify right side
    10.70x = 149.21
  5. Step 5: Solve for x
    x = 149.21/10.70
  6. Step 6: Final answer
    x = 13.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.